Method of making car-wheels.



S. P. BUSH.

METHOD OF MAKING CAR. WHEELS.

APPLICATION FILED APR.13, 1912.

1,047,379, Patented Deb. 17,1912.

PVIL l VESSES F INVENTOR followingftojbe'rafulh'clcar, and: exact 'e-- both kinds of metals-being specially "adaptedisdesigned particularly asaniimpro'vementi solidified quickly; and thus prevent it' fioin .beinsr displaced by the softer:andgsnb se-.

' chill Whereb yjthe fluid metal will beguickly solidified, and subsequently and Without any In the "accompanying vdituvings, Figure '1 I adapted to. coyer-thatpa-rt of the rimofthe downwardly from a point adjacent the hp Perjend of the hub to the rim, so as t0--p'ro I in immense-Qt m i w e ls ha ';1 jim: portion of one'kind of metahand a n is very desirable 1 the rim portion which issubjected' to severe which requires "machining, to properly fit it.

"metal,- and the object or this invention is to time srn rssfrarenr ot er-ca;

'sAMUEL P. reusiior eoL Bus, 01110.

ME HOD or IVJIAKING( !AR "\iVIEIIETEI11S.-

Taall whbm it may concern: h I i Be it known that I, SAiuUEnP. Bus a lumbus, in the county of Franklin 'and' St-ate. of Qhiofh'a've invented certain new and use ful Improvements in Methods of Making Car-Wheels; and I do hereby declare the scription "of the inventi'0n, .ch its will en-L' "able others'skilled in the art to. which it a-ppertains to make anduse the same. v

My invention relates {to an improvement,

centralor inner portion of -anothe:rkind,

forilthe P P SW e Service-intended nd on 'h ii fi ll di frle ed'inmy allowed zippliatien fi rch 21st, 1911, Serial Name. ber 616,006,.-.- 7

'carlwheels, to have usage, of hard,' tough, and finely .grainedsteelor iron alloy}and-the hub portion to the axle, of softer -andgmoremalle'able provide means 'whe'rebykthe. metal to form the surface (ifthe'rim ofthe Wheel will be quently poured metal.

My inventon "COHSIStS in "pouring the:

metal for; the rimof a steel Wheel againstmaterial 1 delay, pouring the metalfor the web and hub, which uniting with the partly solidified rim forms an integral structure.

with ,the rail. The-pattern has. its huh 'e le' rated, above 1 normal and its Web inclining duce awheel as shown 'in ig. 2, which the hub5 1s raised so as tobring its lower:

Specification of Letters Patenti Patented Deere, ieie.

Application filed Apri1 13,1912. "s rial No. 690,653.

I edge approximately in the plane of the i fiange'of the-rim 6,- and'the opposite. or upper end of-the hub in a plane abovethe op posite or upper-side ofthe rim. 'The"'. web' 6G 7 connecting the hub 5 and rirn'dis down Wardly inclined from-the hub outwardly, so thatithe first metal entering the mold' 'Will gravitate down the-"Web section thereof into the ri nsectionyand oome-into immediate contact witl'ithe chill ifi This chili acting on thetsteel does notichange the physical 'characterist-ics o'f the-latter as-itdoes with cast iron, but simply operates tosolidify the "steelin contact there' withwnd for some dis- 0 t'ance back, so that the subsequent or second metal" for the hub and Web portion,

closely following the first cannot displace the me'talalready within the -rim; and which as-previously explained hasbeenjmore or 7 less solidified-by its contactiwith, the chill.' [In pouring; the metalis introduced at the center through thefhub core, a'nd'passes up throughthehubinto the web andthen down into' the rimE- wWhe'n' sufiicient .m'etal' has been poured to approximately" fill the rim; f

the" pouring is'dis'con-tinued, the metal v adapted for the hub andiwehis then poured -Without-any material-delay-.between the two pouring steps. The metal last poured mixes 5 to a 'certain extentwith ,thatl in the hubporg tionof the Wheel and forcesitha't Within the f Web 7, into the rim nntil the-latter is filled. As the metal in'the rim tontztgitswithfthe chill it immediately hardens vor solidifies to 9 such an extent that itcahnotibedislodgd or displaced that f ollowingghence it will be evident that the metal first poured will precede the m'etalof the s'e condpouring to the rim, and-.a fter the first pouring has been discontinued; the metal the'n' 'in the rim will have solidified tosuch van extent- .that it canjnot be displaced by any metal-subsequently entering the" rim.

'Atter the Wheel has'b'een-east; and pref 10oe'rablywhile it is atv a forging temperature,

- subject the hub, and Weh'to pressure be tween or platens toforce the hub and. :web into their proper positions relative to the rim, orinto the position shown in Fig.

wheel whichtis subjected td-w ea'r by contact .This; change in position of the hub rela- 'tive to the rim shortens up the Web between the .hub and the rin'r'and. operates torelieve internal stress duevtoshrinkage of'the parts ientof parts sho'Wnjand-describ'ed without departing from the spirit and scope of my invention. Hence I would have it understood that I 'do not wish to confine myself to the exact construction and; arrangement of parts shown and described,but

Having fully described my invention what and immediately filling the web and hub.

with a softer metal which unites with the metal in the rim r Y 2. The method of making car wheels consisting in forming a mold 1n which the hub and web portions are-elevated abovethe final position so as to give a downward inclination'to the web from the hub to the rim,

providing the rim section of themold with a chill whereby the metal first coming in cont-act with same will be solidified sufli-i quently forcing the hub and web portions of ciently to prevent it from being'dislodged I by the metal following same, and subsethe wheel into final position. I

' 3. 'The'method ofmaking wheels consist- I ing in providing a mold with a chill section conforming to the rim of the wheel, and with a hub apd web section elevated suffi- -cient1y1to cause'the first metal entering-the mold through the hub, to pass down into and through the web into the rim and incontact with the chill whereby. the metal first poured ,will be solidified by its contact with the chill sufliciently to prevent it from being 40 dislodged by the metal for the web and hub,

and immediately filling the web and hub with a softer metal which unites with the metal in the rim.. 1

In testimony whereof, I have signed this specification in the presence of two subscribing'witnesses. s

SAMUEL P. BUSH.

r Witnesses:

Amvo 'EBEnLEiN, GEO. G. MERRING.

(topics of this patent may be obtained for five cents each, by addressing the, Commissioner of l'atent l,

- v Washington, D; G. i I 

